Portable machine for grinding rails.



C. DELMEZ.

PORTABLE MACHINE FOR GRINDING RAILS.

APPLICATION FILED FEB. 10. I914. Patented Feb. 8,

4 SHEETSSHEET l- THE COLUMBIA PLANOORAPH co., WASHINGTON. D. c.

C. DELMEZ.

PORTABLE MACHINE FOR GRINDING RAILS.

' APPLICATION FILED FEB-10, I914- 1,171,325. Patented Feb. 8,1916.

4 SHEETS-SHEET 2.

l I l l I r THE COLUMBIA PLANOORAPH c0., wAsl-nNcI'mN. D. c.

, c. DELMEZ. PORT ABLE MACHINE FOR GRINDING RAILS.

APPLICATION FILED FEB- 10, 1914. Patented-Feb. 8 4 SHEETS-SHEET 3 [WA/M7 THE COLUMBIA PLKNDGRAPH CO-, WASHINGTON, D4 C- C. DELMEZ.

PORTABLE MACHINE FOR GRINDING RAILS.

APPLICATION FILED FEB. I0, 1914.

Patented Feb. 8,1916

4 SHEETSSHEET 4.

. $3 l/Jnaww 9 hwy THE COLUMBIA PLANDGRAPH CO" WASHINGTON, D C- cnLEsrIN DELMEZ, or ANTWEBP, B GIUM.

PORTABLE MACHINE FOR GRINDING RAILS.

Specification of Letters Patent.

Patented Feb. S, 1916.

Application filed February 10,1914. Serial No. 817,848.

To all whom it may concern:

Be'it known that I, CI JLESTIN DELMEZ, asubject of the King of Belgium, and resident I of Antwerp, Belgium, have invented certain new and useful Improvements in Portable Machines for Grinding Rails, of which the following is a specification.

This invention has for its object a ma chine to do away with the undulations of tramway lines, local railway lines, etc.

The distinguishing features of the pres ent machine consist: 1, in that the adhesion is not produced by weight of the machine.

itself but by an independent force; 2, in that any movement of the machine in a direc tion at right angles tothe track is very easy; 3, in that it can roll on the lines when there are no carriages or trains working; 4:, in that the basis on which the machines is established on the track is independent from the undulation of the rail.

The principle upon which this new ma chine is based consists in that its adhesion to the rail to be worked is obtained by means of two powerful electro-magnets which press the whole of the device against the bottom of the groove or out of the rail that is to say against a part of the latter which is not subjected to the wear and tear produced by the rims of the wheels and consequently, to the undulations.

In order to make the nature of the invention properly understood the invention has been shown on the accompanying drawings in which:

Figure 1 is a side elevation view of the whole machine. Fig. 2 is a corresponding end view. Fig. 3 is the top plan view corresponding to Fig. 2. diagram of electric connections.

The apparatus comprises essentially a metallic frame work 1, serving as a carrier for the grinding wheel 2, the motor 3 and the various accessories described hereinafter.

The frame work is provided on the side of the grinding wheel with two bearing members 4 carrying electro-magnets 5 adapted to come into contact with the groove 6 of the rail 7 to be ground, a support Sbeing provided on the other side, this support bearing in the groove of the parallel *rail 7. A crank axle 9 on which two cart wheels 10 are mounted passes under the frame 1. This crank aXle is actuated by a lever 12 which allows to suspend this frame 1 from the axle Fig. 4 shows the.

- owing to the wear and tear of the so as to remove it. fromthe ground or to cause ll'ftQ rest upon the rails. 'The motor 3 produces at the same time the rotary motion of the grinding wheel 2 as well as its movement oftranslation.

The reciprocating movement of the whole mechanism, grinding wheel, motor and transmissionis obtained by the alternate engaging of two nuts 13 and 13 driven by. bevel wheel 14 turning on a screw threaded spindle 15 secured to the frame work.

Two tubes 16 secured to the framework on each side of the'spindle act'as guides and carriers for the whole system.

. The speed imparted by. the motor to the grinding wheel is 1600 revolutions per minute. The longitudinal motion of the grinding wheel is 1 meter, it is covered in 4:0 seconds. The adhesion is obtained by means, of two electro-magnets 5' the ends of which bear upon the bottom 6 of the groove of'the rail 7 The position, therefore, is independent from the wear and tear in the shape of I of the electro-magnets are. also provided with rollers 32 adapted to be adjusted eccentrically and resting upon the rail 7 which is being ground. When the cart wheels '10 are lifted up by means of the lever 12 so that the machine then rests entirely on the three rollers one 8 of which rolls is the groove of the. rail 7 A maximum and minimum switch 18 allows of the machine being set in motion.

The adjustable shaft 19 of the grinding i wheel receives motion from the motor 3 through the medium of a belt drive obtained by a belt 21, a pulley mounted on the fixed shaft 20 and another belt 22. This shaft is supported ina stirrup 23 which forms a nut for the screw threaded spindle 24 which is actuated by the hand wheel 25. A ball joint 26 allows the screw threaded spindle2t to assume the inclinations which are necessary in proportion to the amount which the movable shaft 19 of the grinding wheel rotates around the stationary shaft 20 wheel. I

When the machine ismo-ved outside the track by means of thetwo cart wheels 10, it

is necessary that the whole of the various grinding parts be raised in the manner already-described and to hold in this raised position. To this end elastic hooks 33 engage pins 34: holding the Whole in a raised position.

35 is a rod intended to disengagethe suspension hooks. The stirrup 36 of the third roller 8 can be lifted up in order to prevent rent to the starting device 18 as well as to the electro-magnets 5 intended to produce the adhesion on the rail. 29 designates the circuit of the lamps 30 which are intended to light up the track on the side Where the grinding wheel works, 31 designates the switch.

Having noW fully described my said invention what I claim and desire to secure by Letters Patent is:

1. In a machine of the character de scribed, the combination With a framework and grinding mechanism carried thereby, a plurality of cart wheels, crank axles carried by the said framework for supporting the said cart Wheels, means carried by the grinding mechanism for supporting it on the rails, the said cart Wheels arranged at right angles to the said supporting means,

means for operating the crank axles and lifting the grinding mechanism, and spring means for holding the said mechanism in its raised position, the parts arranged as and for the purpose described.

2. A machine of the character described comprising a main frame, cart wheels for supporting the main frame, an auxiliary frame, a plurality of'tubes mounted in the auxiliary frame for supporting a motor driven grinding element in sliding relation therewith, a shock absorbing means on each side of the auxiliary frame, said shock absorbing means comprising a pivoted bifurcated shackle, a spring held plunger mount ed for sliding engagement in the shackle, said plunger having a hooked upper termr nal, links pivoted to the shackle, a rod disposed Within one of the aforesaid tubes, crank arms at each end of the rod for pivotal connection With the aforesaid links, a series of pins fixed to each side of the main frame, whereby the hooked terminal of the plunger may be suspended upon the pins for supporting the auxiliary frame, and a flexible connection on one of the shackles for disengaging the hooked terminal from the pins, whereby the other shackle Will be released from its pin simultaneously with the first shackle.

In testimony whereof I have hereunto set my hand in presence of two witnesses.

CELESTIN DELMEZ.

' Witnesses:

G. DE HERsY, N. ADAMS.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents Washington, D. G. 

